Doctors usually recommend taking a 25mg to 50mg oral dose once every six hours [11] in the first trimester, while the dosage should not generally exceed 25mg in six hours during the last two trimesters [6, 7]. Use of topical Benadryl is considered safe in pregnancy as there is little evidence of harm to the fetus.
What Is the Recommended Talwin Dosage for Adults? The usual recommended dosage of Talwin in most adults is 30 mg every three to four hours. The medication can be given as an injection into a vein (an intravenous, or IV, injection), a muscle (an intramuscular, or IM, injection), or beneath the skin (a subcutaneous, or SC, injection).
Dosing for Zyrtec also depends on age and the severity of symptoms. The daily dose for adults is either 5 mg or 10 mg per day. Older adults and adults who have chronic illness should take 5 mg or talk to their doctor before taking the product, since it has more potential for sedation than Claritin.