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[3] [8] Serious side effects may include anaphylaxis, liver problems, confusion, and seizures. [4] Use is not recommended in pregnancy and breastfeeding. [3] [4] Because of the risk of injury, skeletal muscle relaxants should generally be avoided in geriatric patients. [3] Methocarbamol is a centrally acting muscle relaxant. [3]
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.
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 .
Excessive use may result in medication overuse headaches. [3] Use is not recommended during pregnancy and breastfeeding is not recommended within 24 hours after taking a dose. [4] Rizatriptan is in the triptan class and is believed to work by activating the 5-HT 1 receptor. [3] Rizatriptan was patented in 1991 and came into medical use in 1998.
It is not recommended in people with a history of a severe penicillin allergy. [6] It appears to be relatively safe during pregnancy. [7] It is in the third-generation cephalosporin class of medications. [5] It works by disrupting the bacteria's cell wall resulting in its death. [5]
Dextropropoxyphene [5] is an analgesic in the opioid category, patented in 1955 [6] and manufactured by Eli Lilly and Company.It is an optical isomer of levopropoxyphene.It is intended to treat mild pain and also has antitussive (cough suppressant) and local anaesthetic effects.
Etoricoxib, sold under the brand name Arcoxia, is a selective COX-2 inhibitor developed and commercialized by Merck.It is approved in 63 countries worldwide as of 2007, except the United States where the Food and Drug Administration sent a Non Approvable Letter to Merck and required them to provide additional data.
In toxicology it is specifically the highest tested dose or concentration of a substance (i.e. a drug or chemical) or agent (e.g. radiation), at which no such adverse effect is found in exposed test organisms where higher doses or concentrations resulted in an adverse effect. [3] [4] [5]