Dulcamara — Homeopathic Remedy Profile

Dulcamara is the remedy of the changing sky. Prepared from the fresh stems and leaves of woody nightshade, Solanum dulcamara, gathered just before it flowers, it answers a single great circumstance better than any other remedy in the Solanaceae: the body caught out by cold and wet. Where the weather turns, where the warm day ends in a cold night, where the patient is chilled while sweating or sits down on damp ground — that is Dulcamara's hour. It belongs to 30C and 200C for the acute exposure, and to the deeper potencies for the constitution that takes cold at every change.

At a Glance

• Kingdom: Plant (Solanaceae — the nightshade family of Belladonna and Capsicum)
• Abbreviation: dulc.
• Common potencies: 6C, 30C, 200C, 1M
• Evidence grade: C (Traditional / Materia Medica)
• Key theme: Cold-damp aggravation — ailments from getting wet, chilled, or from sudden cold

Source and Preparation

Woody nightshade is a scrambling perennial of European hedgerows and damp thickets, its purple flowers and scarlet berries familiar to anyone who has walked a wet ditch in late summer. The mother tincture is made from the fresh green stems and leaves cut just before flowering — the plant taken at the moment of greatest vegetative force, before it commits to seed. From there it follows the ordinary path of fresh-plant preparation Hahnemann set down: maceration in alcohol, then succussion and serial dilution through the potency scale.

A word of identity, since the names confuse the unwary. Bittersweet is not deadly nightshade — that is Belladonna — nor the climbing bittersweet, Celastrus. It is Solanum dulcamara, a near cousin of the potato and the tomato. The Solanaceae share a deep sensitivity to cold and damp; you find it in Belladonna and in Capsicum, but it is supreme in Dulcamara, and it is one reason the nightshades count among the good antidotes to Mercurius. The remedy preserves what the living plant already knew: that the wet ground and the cold turn of the year carry a particular threat to flesh that has not hardened to them.

The Essence of Dulcamara

Read the materia medica of Dulcamara and one phrase governs all the rest: worse from cold and damp. Every section returns to it. The coryza that stuffs the nose the instant cold rain comes. The diarrhea that begins when the weather suddenly turns cold. The rheumatic back that aches with every damp change. The warts that flourish through the wet season. The facial neuralgia roused by the slightest draft. These are not separate complaints that happen to share a footnote. They are one disposition expressing itself through whichever organ lies most exposed.

What kind of organism is this? A phlegmatic, torpid one — the classical authors called it scrofulous — restless and irritable, who takes cold the moment the climate shifts. The self-governing principle in such a patient has never come to terms with cold-damp. It reacts to wet the way a more robust constitution reacts to a serious insult: with catarrh, with rheumatism, with eruptions, with paralysis of single parts. The keynote modality is therefore not a detail of the case; it is the case. When complaints all answer to "since I got wet," or "ever since that cold snap at the end of summer," you are in Dulcamara's territory before you have examined a single organ.

The remedy has a second signature that distinguishes it from the merely chilly: alternation and suppression. Dulcamara's troubles trade places. Rheumatism gives way to diarrhea, or to an acute eruption, then returns. An eczema driven inward by cold reappears as a looseness of the bowels. A skin rash before the menses, a herpes on the lips, a crop of warts — these come and go with the internal state and with the weather. The patient who suppresses an eruption with an ointment, only to develop a cough or a diarrhea in its place, is a Dulcamara patient teaching you the law of the case. The self-expressions of the organism here are mobile; they migrate from surface to depth and back, following the cold.

In my practice the cases that fix this picture are nearly always seasonal. I think of a market gardener who came each year in September with the same complaint: a stiff, aching low back that arrived with the first cold nights and eased only when he kept moving through his rows. He had taken it for arthritis. What it was, was Dulcamara — he worked wet ground from dawn, the warm afternoons turned to cold dusks, and his loins paid the bill. 200C at the turn of the season, repeated when the ache threatened, gave him three autumns of relief no anti-inflammatory had touched. The remedy did not treat his back; it met the man who could not tolerate the change of weather.

Clinical Portrait

Mind and Temperament

The mental picture is less richly proved than the physical, but it has a recognisable shape. There is mental confusion — the patient cannot concentrate, and the difficulty reaches the tongue: they cannot find the right word, speech comes hard, and in severe states it becomes inarticulate. This is the same paralytic tendency that elsewhere strikes the limbs, here taking the faculty of speech. A dullness and heavy stupefaction of the head accompanies it.

The temper is contradictory in an interesting way. Dulcamara is described as quarrelsome without anger, scolding without being truly angry — domineering, strong-minded, possessive, and yet not driven by the heat of rage you would meet in Nux Vomica. The irritability runs through the daytime; impatience is marked in the morning, when the patient may throw aside the very things they have asked for. Underneath sits depression and low spirits that the cold and the confinement of bad weather only deepen.

Head and Sensorium

Headache in Dulcamara is congestive and often occipital. The back of the head feels chilled, heavy, and aching, particularly in cold weather, and the pain may ascend from the nape. Patients describe a sensation as if a board were pressing against the forehead, or as if the head were enlarged. There is buzzing in the ears with the congestion. A peculiar and reliable note: the headache is relieved by conversation — the distraction of talk lifts it, where rest and silence do not.

The scalp belongs to the remedy's eruptive sphere. Tinea capitis, crusta lactea, dandruff, and scald-head with thick brown-yellow crusts that bleed when scratched and cause the hair to fall — all worse at every change of weather. Ringworm of the scalp in children is a documented use.

Respiration and the Catarrhal Sphere

This is where Dulcamara earns its everyday reputation. Every cold settles somewhere — eyes, throat, bladder, chest, or bowels — and the respiratory tract is among its favourite seats. The coryza is the classic indication: the nose stuffs up the moment cold rain arrives; the least cold air blocks it; the patient wants the nose kept warm. The discharge may be dry and obstructed or profuse and watery, checked at the slightest contact with cold air. There is the striking picture of a severe coryza with hot, dry skin while the limbs are cold, stiff, numb, and painful, with general offensive sweat.

The hay-fever picture is specific and useful: profuse, watery nasal discharge, worse in the open air, with sensitivity to newly mown grass, classically arriving in August. This makes Dulcamara one of the seasonal remedies for allergic complaints where the trigger is damp and the timing late-summer.

The cough is loose and rattling, worse in cold, wet weather, with copious mucus the patient must cough a long time to expel. There are dry, teasing winter coughs as well, and a panting, whooping-cough-like spasm worse on each deep inspiration. Asthma with dyspnea and an accumulation of mucus belongs here — and, a characteristic alternation, asthma that appears after an eruption on the face disappears.

Digestion and Abdomen

The abdominal keynote is colic from cold, with a cold feeling in the bowels and a cutting pain at the navel followed by painful, green, slimy stools. The umbilical region is the focus — eruptions or pain about the navel, a sensation as if worms were crawling up and down.

The diarrhea is one of the surest indications in the whole remedy. It arrives when the weather suddenly turns cold, in damp cold weather, and especially in summer — the looseness of warm days cut by cold nights. The stools are green, sour, watery, slimy, sometimes bloody, and worse at night; summer colds come with diarrhea. And the alternation declares itself again: diarrhea from repelled eruptions, diarrhea after the suppression of an eczema. The stomach shares the disposition — indigestion with chilliness at every cold change, belching with shuddering, nausea with desire for stool, vomiting of white tenacious mucus brought on by cold drinks.

Urinary

Dulcamara's bladder responds directly to chilling. The cardinal symptom: the patient must urinate when getting chilled. Cystitis and catarrh of the bladder follow from taking cold; the bladder wall thickens; urination is frequent, with strangury — painful, difficult urination. Retention can follow cold drinks or a cold exposure, and in severe states there is involuntary urination from paralysis of the bladder, the same single-part paralysis that strikes the tongue and face. A vivid, specific cause is recorded: ischuria from wading with bare feet in cold water. The urine is cloudy, slimy, or foul, with a thick mucous or purulent sediment, and a nephritis may set in from cold. This makes the remedy worth remembering in urinary complaints where the whole story is a chill or a wetting.

Skin

The skin is busy, and governed by the same modality and law of alternation as everything else. Pruritus is worse in cold, wet weather. Urticaria — nettle-rash over the whole body with violent itching — is brought on by exposure or by a sour stomach, and there are red spots like fleabites. Herpes zoster and pemphigus appear in the picture. Humid eruptions settle on the face, the genitals, and the hands; herpetic and scaly eruptions worsen before the menses. There are sensitive, bleeding ulcers and little boils.

Two features deserve emphasis. The first is herpes — about the lips, cold sores, herpetic eruptions on the vulva worse at every cold change of weather or from exposure in cold, damp places, herpes on the breasts in nursing women: a broad affinity, tied always to cold-damp. The second is warts. Dulcamara's warts are large, smooth, and fleshy, on the face and on the palmar and dorsal surfaces of the hands and fingers. The flat, smooth, fleshy character — set against the horny spikes of Causticum and the soft cauliflower growths of Thuja — distinguishes it, with the decisive modality being aggravation from cold and wet.

Extremities and Rheumatism

The musculoskeletal picture is, with the catarrh and the skin, one of the three great fields of Dulcamara. Rheumatic stiffness, numbness, aching, and soreness afflict the muscles at every exposure to cold, especially the back and loins. There are tearing pains. The back aches as after long stooping; the lumbar region and sacrum feel cold; there is stiffness and lameness across the neck and shoulders after getting cold and wet. The defining modality is the one Rhus Tox shares: worse from damp cold, somewhat relieved by moving about — the stiff joint loosens with use. This places Dulcamara among the remedies for cold-damp arthritis and rheumatism, particularly the seasonal flare that arrives with autumn and the wet.

The feet are icy cold; there is a cold feeling in the bones. The limbs may swell suddenly; the body becomes puffy. And here too is the deepest expression of the paralytic tendency — paralysed limbs, single parts that feel icy cold to the touch. The remedy's rheumatism and its skin eruptions alternate, the one giving way to diarrhea or an acute eruption, then returning.

Glands, Face, and Nerves

Swollen, indurated glands — adenitis from cold — run through the remedy. The cervical and inguinal glands enlarge and harden after a chilling; the parotids swell after measles. The face shows humid eruptions, thick brown-yellow crusts, and facial neuralgia worse from the slightest exposure to cold — a tearing in the cheek that runs to the ear, orbit, and jaw, preceded by coldness of the part and attended, oddly, by a canine hunger. The most dramatic facial indication is paralysis: the classical literature records a facial paralysis following neuralgia, the eye left unable to close for eight months, cured by a single dose of Dulcamara — the case the result of a wetting. Paralysis of the tongue, of the vocal cords (aphonia from sleeping over a damp cellar), of the bladder and lungs — all carry the same stamp of cold-damp and of single parts gone icy and powerless.

Modalities

The modalities of Dulcamara are the remedy. No keynote stands without them.

Worse:

• Cold, wet, damp, rainy weather — the governing aggravation, present in every sphere
• Sudden changes of temperature; hot days followed by cold nights; the close of summer and autumn
• Being chilled while hot or while sweating; checked perspiration
• Damp ground (sitting or lying on it), cellars, and damp cold basements
• Getting the feet wet or cold; wading in cold water
• Cold drinks and ice cream
• Night, and the period before a storm
• Suppressed eruptions or suppressed sweat — driving the surface inward provokes deeper complaints

Better:

• External warmth and dry weather
• Moving the affected part — rheumatic stiffness eases with motion (the Rhus Tox modality)
• Lying on the side

The pairing of "worse from damp, better from motion" is the practical signature that separates Dulcamara from the dry-weather remedies. Where the pains and the catarrh and the bowel all answer to wet, and where the stiff joint frees itself with use rather than fixing with it, the remedy is in view.

Remedy Relationships

Complementary

• Baryta Carbonica: The classical complement, and the pairing is precise — both are "worse from cold weather, especially in scrofulous children." Where Dulcamara meets the acute cold-damp exposure and the eruptive, glandular reaction, Baryta-c completes the chronic, developmentally slow, glandular constitution beneath it. The two share the swollen-gland, take-cold-easily child.

Antidotes

Dulcamara is antidoted by Camphor, Cuprum, Ipecacuanha, Kali Carbonicum, and Mercurius. The relationship with Mercurius runs both ways in the Solanaceae: the nightshades, Dulcamara among them, are themselves good antidotes to Mercurius, a kinship the classical authors traced to their shared sensitiveness to cold and damp.

Follows Well

Dulcamara follows well after Bryonia, Calcarea Carbonica, Lycopodium, Rhus Tox, Sepia, and Veratrum — a useful sequence list when a cold-damp layer surfaces after one of these has done its work.

Incompatible

Belladonna and Lachesis are incompatible with Dulcamara and should not be run alongside it.

Compare

• Rhus Tox: The closest and most important comparison. Both are worse from wet and better from motion. Rhus Tox is the great remedy of restlessness — the patient must move, cannot keep still, and the first motion hurts before the limbering brings relief. Dulcamara's wet aggravation is tied more to the change of weather and the seasonal turn, with the eruptive, glandular, and catarrhal reaction more prominent. When Rhus Tox is indicated by the wet but the case is dominated by warts, herpes, summer diarrhea, or glands, look to Dulcamara.
• Calcarea Carbonica: Shares the cold-damp aggravation and the chilly, sweaty, scrofulous child; Calc is the deeper constitutional remedy where the slow development, head sweat, and dietary cravings dominate, while Dulcamara meets the acute reaction to the wet.
• Natrum Sulphuricum: The other great damp remedy — for those living or working in damp, cold basements, with complaints that worsen in every wet spell. Nat-s tends to the asthmatic and hepatic, Dulcamara to the eruptive and rheumatic.
• Nux Vomica: Compare for the effects of cold, moist winds (Dulcamara, Ars, Calc) versus cold dry winds, where Aconite and Bryonia lead.
• Causticum and Rhus Tox: Compare for rheumatic paralysis, where all three share the cold-damp causation.
• Belladonna and Capsicum: The same family, the same sensitiveness to cold and damp, which is marked in both but supreme in Dulcamara.

Clinical Uses

Warts on the Hands and Face

Dulcamara is one of the principal remedies for warts when the growths are large, smooth, and fleshy and sit on the palmar surface of the hands, the fingers, or the face. The whole nature of the patient is the deciding context: every cold settles somewhere, complaints follow a wetting, and the warts flourish through the damp season. The smooth, flat, fleshy character separates them cleanly from the horny, fissured warts of Causticum and the soft, oozing, cauliflower warts of Thuja, while the marked aggravation from cold and wet is the confirmatory modality. 30C daily through the wet season, or 200C for the deeper tendency, is the usual approach.

Cold-Damp Rheumatism and Seasonal Arthritis

For the rheumatic and arthritic patient whose stiffness, aching, and soreness arrive with the wet and the cold turn of the year — the back and loins above all — Dulcamara is a leading seasonal remedy. The pains worsen at every cold change and ease with moving about; the part feels cold and lame; the flare follows a wetting or a damp autumn. Where Rhus Tox is indicated by the wet but the case adds Dulcamara's eruptive or glandular signature, this remedy is the cleaner match. 30C repeated through a flare, or 200C at the seasonal turn, suits the acute exposure.

Diarrhea from Cold and Damp

Among the most reliable acute uses. When the weather suddenly turns cold and wet, or in the green, sour, watery looseness of summer where warm days break into cold nights, Dulcamara meets the diarrhea precisely — slimy, sometimes bloody stools, worse at night, with a cutting pain at the navel before them. The remedy is especially indicated when the diarrhea has replaced a suppressed eruption, a rash driven in by cold giving way to a looseness of the bowels. 30C repeated through the acute episode is the common practice.

Allergies and Late-Summer Hay Fever

For allergic coryza and hay fever with profuse, watery nasal discharge worse in the open air, sensitivity to newly mown grass, and a classically August timing, Dulcamara is one of the seasonal remedies to consider. The nose stuffs the moment cold air or cold rain arrives; the patient wants it kept warm. The cold-damp modality and the late-summer timing distinguish it from the dry, burning catarrhs of other hay-fever remedies. 30C through the season, repeated as symptoms return, is the usual approach.

Featured in our guides

Dulcamara is a featured remedy in our guide to the Best Homeopathic Remedies for Warts, where it answers the large, smooth, fleshy warts of the palmar surface of the hands and face that worsen markedly in cold, damp weather.

Frequently Asked Questions

When is Dulcamara the right remedy rather than Rhus Tox?

Both answer complaints from getting wet, and both improve with motion, so the overlap is real. Reach for Dulcamara when the dominant story is the change of weather — hot days into cold nights, the turn of autumn — and when the case carries Dulcamara's eruptive and glandular signature: warts, herpes, swollen glands, summer diarrhea, catarrh that settles wherever cold finds it. Reach for Rhus Tox when restlessness dominates, when the patient cannot keep still and the very first movement hurts before the limbering relief.

What potency of Dulcamara is typically used?

For an acute cold-damp exposure — the fresh coryza, the summer diarrhea, the rheumatic flare after a wetting — 30C repeated through the episode is the everyday choice. For the seasonal tendency, a dose of 200C at the turn of the weather, repeated when symptoms threaten, is common. For warts and the deeper constitutional disposition to take cold at every change, practitioners often work with 200C or higher under guidance, where the clarity of the cold-damp picture justifies it.

Why does Dulcamara come up so often at the end of summer?

Because its governing circumstance is the sudden cold that follows warmth — and the close of summer manufactures exactly that, with hot afternoons giving way to cold, damp nights. The constitution that cannot tolerate the change reacts with whatever organ is most exposed: the bowel loosens, the nose runs, the back stiffens, the old herpes returns. This is why the materia medica names "hot days and cold nights toward the close of summer" as a defining indication rather than an incidental one.

Can Dulcamara help when a skin eruption has been suppressed?

This is one of its signature uses. Dulcamara's complaints alternate between the surface and the interior, and the remedy is specifically indicated when an eruption — an eczema, a rash — has been driven inward by cold or by an external application, and a cough, an asthma, or a diarrhea has taken its place. Restoring the proper direction of cure, from within outward, is the remedy's classical task here, and it should be prescribed on the totality rather than on the suppression alone.

References

1. Murphy, R. Nature's Materia Medica. 3rd ed. Lotus Health Institute, 2006. Dulcamara.
2. Boericke, W. Pocket Manual of Homoeopathic Materia Medica. 9th ed. B. Jain Publishers, 2002. Dulcamara.
3. Clarke, J.H. A Dictionary of Practical Materia Medica. B. Jain Publishers, 2005. Dulcamara.
4. Phatak, S.R. Materia Medica of Homoeopathic Medicines. 2nd ed. B. Jain Publishers, 1999. Dulcamara.
5. Kent, J.T. Lectures on Homoeopathic Materia Medica. B. Jain Publishers, 2006. Dulcamara.
6. Hering, C. The Guiding Symptoms of Our Materia Medica. B. Jain Publishers, 1997. Dulcamara.