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Yes but why: If you take two antihistamines at once you will bring out the less desirable side effects such as drowsiness and dry mouth. There is really no benefit from this and could lead to an overdose if you did this long term. Its best to take one at a time give it a few days to determine if that antihistamine is working and if not change to another. ...Read more
I have had a skin crawling sensation for a month..Dr prescribed two antihistamines. Neither worked. Blood work is fine. No rash, bumps or bites. ?
Which bloodwork fine: There are several different tests that should be considered part of every workup for creepy crawly skin. In my opinion only a very few people with similar complaints get all the recommended tests the first time around. Then, patients will always say, "but all the blood is fine..." But that's assuming that all the relevant bloodwork was done. So, name the tests and we'll see. What's next? ...Read moreSee 1 more doctor answer
I'm due to have a thyroid scan in 3 days. Yesterday, I took two 25 mg antihistamine pills. Will this affect the results?
Probably not: It is not a good idea because of the increased risk of side effects from taking multiple similar meds. ...Read more
Depends: It could be safe or not depending on the total dose you are taking in one day. By the way safe is conventionally defined, it will probably be safe and it will at most make you a little sleepy and contribute to reduced motor coordination, but in the context of operating a motor vehicle this could make a difference. You may want to see a doctor to get your allergies evaluated medically. Stay safe! ...Read more
I have two different antihistamines...One is hydroxyzine and the other is is diphenhydramine..Which one will cause me to gain weight?
Extremely itchy roof of mouth towards the back for two weeks now. Antihistamines don't relieve symptoms.
Toothpaste?: You may be allergic to things you use on your mouth such as certain toothpaste or mouthwash. Cinnamon is likely the most common allergen. Try switching to different toothpaste or mouth wash for 10 days and observe for any changes. It is unlikely to be from food allergy which does not last this long. ...Read more
I've had a cough for over two years. I have been treated with inhalers, steroid, anti drip medications, antihistamines, zpac you name it. It has ?
GERD?: Have you been evaluated for gerd? This can also contribute to bronchospasm and result in cough. It is not likely to be due to infection if it has been present for 2 years. If you are smoking, you need to quit. You may need pulmonary function testing to rule out copd, especially if you have smoked. ...Read moreSee 2 more doctor answers
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