Doxycyclinum

Doxycycline; PubChem CID 54671203; molecular formula C22H24N2O8 (base, MW ~444.4). PubChem's canonical IUPAC name is (4S,4aR,5S,5aR,6R,12aR)-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide. The clinical drug is commonly supplied as the hyclate (CAS 24390-14-5) or monohydrate salt. · Doxycycline, Doxy, Vibramycin, Doryx, Doxylin (trade names of the parent drug)

Modern MM

A modern drug remedy with no formal proving located in the standard literature. Any sphere of action is inferred from the recognised toxicology of doxycycline: photosensitive skin, the upper gastro-oesophageal tract (burning, ulceration, dysphagia), the stomach/bowel, and mucous-membrane candidiasis. Used principally by drug-remedy/tautopathy prescribers where these drug-type complaints predominate.

Key symptoms

No keynotes from a proving exist. Symptom-pointers are drawn solely from documented toxicology, for use under the Law of Similars: (1) Burning retrosternal pain and painful swallowing — drug-induced oesophagitis/ulcer. (2) Exaggerated sunburn and photosensitive skin eruptions on light-exposed parts. (3) Nausea, vomiting and diarrhoea. (4) Oral or vaginal thrush/candidiasis following antibiotic exposure. (5) Headache with visual disturbance (intracranial hypertension). These are pharmacological effects, NOT proved homeopathic keynotes.

Worse (aggravation)

From sunlight / UV exposure (phototoxic eruptions) — extrapolated from drug toxicology; lying down and from swallowing dry / with insufficient water (oesophageal burning). These are toxicological modalities, not proving-derived.

Better (amelioration)

No proving-derived amelioration modalities are on record. (Toxicologically, oesophageal symptoms are lessened by taking the drug upright with copious water — a pharmacological, not a homeopathic, observation.)

Manohar V Nagaiah

Materia Medica of Modern Homeopathic Medicine · 2026

Doxycycline, Doxy, Vibramycin, Doryx, Doxylin (trade names of the parent drug)

Source & Nature

Doxycyclinum is the homeopathic preparation of doxycycline, a second-generation semisynthetic tetracycline antibiotic derived from oxytetracycline. The base has molecular formula C22H24N2O8, MW ~444.4 (PubChem CID 54671203); the medicinal drug is usually the hyclate (CAS 24390-14-5) or monohydrate salt. It is a broad-spectrum, bacteriostatic agent acting on the 30S bacterial ribosome, among the most widely prescribed antibiotics in the world. As a homeopathic remedy it is a modern drug/commercial-substance preparation, not a classical plant or mineral.

Continue Modern MM in the app

Classical texts are in the public domain. Educational reference only — not medical advice.