Articles
Levocetirizine — How Dangerous It Is, Side Effects, and Consequences of Long-Term Use
12 august 2026
EFFECTIVE | TOXIC
Names of Levocetirizine and Hidden Duplication of the Active Ingredient
The international nonproprietary name is levocetirizine; the Latin spelling is levocetirizine. Medicinal products usually contain levocetirizine dihydrochloride; less commonly, documentation may use the names levocetirizine hydrochloride, levocetirizine diHCl, and R-cetirizine....
Levofloxacin — How Dangerous It Is, Side Effects and Tendon Rupture
12 august 2026
EFFECTIVE | TOXIC
What names levofloxacin is available under: the international nonproprietary name is levofloxacin, and the Latin spelling is levofloxacin; pharmaceutical formulations may specify levofloxacin hemihydrate. The drug is available as tablets, a solution for intravenous infusion, an oral solution, and eye drops. Common trade names used in different countries include Levaquin, Tavanic,...
Xylometazoline — risks, side effects and dependence
12 august 2026
EFFECTIVE | TOXIC
Names under which xylometazoline is available: The international nonproprietary name is xylometazoline; the Latin spelling is xylometazoline. Medicinal products predominantly contain xylometazoline hydrochloride. The main dosage forms are nasal drops and metered-dose nasal sprays at concentrations of 0.05% or 0.1%. Common trade names in different countries include Otrivin, Otrivine,...
Sodium cromoglicate — side effects, contraindications and why it does not relieve an asthma attack
12 august 2026
LIMITED EFFECTIVENESS | NON-TOXIC
What names is the drug known by
International and pharmacopoeial names: cromoglicic acid; sodium cromoglicate — sodium cromoglicate, cromolyn sodium, disodium cromoglycate; Russian variants — sodium cromoglicate, cromoglicic acid, cromolyn. Dosage forms include solution and powder for inhalation, metered-dose nasal spray, eye drops, and an oral...
Colchicine — Side Effects, Overdose, and Dangerous Interactions
12 august 2026
EFFECTIVE | TOXIC
Names, Brand Names, and Hidden Duplication of Colchicine
The international nonproprietary name is colchicine; in Russian, it is колхицин. Instructions for use, medical records, and search queries may contain the spellings Colchicine, Kolchicin, колхицин, and, less commonly, the transliteration «колхисин». The active substance is usually listed simply as colchicine, without the...
Cobicistat — dangerous interactions, side effects, and overdose with other medications
12 august 2026
EFFECTIVE | TOXIC
What names cobicistat is available under
The international nonproprietary name is cobicistat, the Latin spelling is cobicistat, and the commonly used transliteration is cobicistat. As a standalone medication, it is marketed under the trade name Tybost as 150 mg film-coated tablets. Cobicistat is also present in fixed antiretroviral combinations: Evotaz — atazanavir and...
Co-trimoxazole (Biseptol) — side effects, contraindications, and what makes the drug dangerous
12 august 2026
EFFECTIVE | TOXIC
Names under which co-trimoxazole is available
The international name of the drug is co-trimoxazole ; the variants cotrimoxazole, co-trimoxazole, trimethoprim/sulfamethoxazole, trimethoprim–sulfamethoxazole, TMP/SMX, TMP-SMX, SMX-TMP are also used. The active ingredients are trimethoprim and sulfamethoxazole , usually in a fixed 1:5 ratio: tablets containing 80 mg + 400 mg...
Clotrimazole — Side Effects, Contraindications, and Why It May Not Work for Thrush
12 august 2026
EFFECTIVE | NON-TOXIC
Names under which clotrimazole is available: The International Nonproprietary Name is clotrimazole; the Latin spelling is clotrimazole. The active ingredient is used predominantly in its non-salt form. The main dosage forms are cream, ointment, solution, spray, and powder for topical use, vaginal cream, vaginal tablets and suppositories, and lozenges for the treatment of oral...
Clindamycin — side effects, severe diarrhea, and the risk of pseudomembranous colitis
12 august 2026
EFFECTIVE | TOXIC
Names under which clindamycin is available
The international nonproprietary name is clindamycin, Clindamycin. Pharmaceutical products contain clindamycin hydrochloride in capsules; clindamycin palmitate hydrochloride in granules and oral solutions; and clindamycin phosphate in injectable, topical, and vaginal formulations. Common brand names include Dalacin, Cleocin, Cleocin...
Clarithromycin — How Dangerous It Is, Side Effects and Contraindications
10 august 2026
EFFECTIVE | TOXIC
Names Under Which Clarithromycin Is Found
The international nonproprietary name is clarithromycin; the Latin spelling is clarithromycin. In documents and search queries, the forms “кларитромицин” and “clarithromycin” are encountered, with the transliteration “clarithromycinum” used less often. The active substance is a semisynthetic derivative of erythromycin; finished...