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Ranitidine was the result of a rational drug-design process using what was by then a fairly refined model of the histamine H 2 receptor and quantitative structure-activity relationships. Glaxo refined the model further, by replacing the imidazole ring of cimetidine with a furan ring with a nitrogen -containing substituent, and in doing so ...
Ranitidine bismuth citrate 400 mg 2 times a day, metronidazole 500 mg 3 times a day, tetracycline 500 mg 4 times a day. Scheme 4. 2 times a day - ranitidine bismuth citrate 400 mg, tinidazole 500 mg, amoxicillin 1 g. Within 14 days - 2 drugs: Scheme 5. Ranitidine bismuth citrate 400 mg 2 times a day and clarithromycin 500 mg 2 or 3 times a day.
The pregnancy category of a medication is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. It does not include any risks conferred by pharmaceutical agents or their metabolites in breast milk. Every drug has specific information listed in its product literature.
Topical nicotinamide and topical zinc are safe, however, there are no FDA pregnancy category ratings. [27] [28] Topical salicylic acid and topical dapsone are classified as FDA pregnancy category C. [23] [28] Acne medications to avoid during pregnancy include oral isotretinoin and topical tazarotene as there have been reports of birth defects.
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
It is able to cross the blood–brain barrier and can produce effects in the central nervous system (e.g., headaches, dizziness, somnolence). [2] The volume of distribution of cimetidine is 0.8 L/kg in adults and 1.2 to 2.1 L/kg in children. [6] Its plasma protein binding is 13 to 25% and is said to be without pharmacological significance.
An infant taking solid foods with breastfeeding will receive a lower dose of medication. The general health of the infant and the general health of the mother. The nature of the mother's illness, if present. The general information about the drug other literature documenting studies related to the drug and breastfeeding.
Stunted growth, also known as stunting or linear growth failure, is defined as impaired growth and development manifested by low height-for-age. [1] It is a manifestation of malnutrition and can be caused by endogenous factors (such as chronic food insecurity) or exogenous factors (such as parasitic infection).