There is over 100 different types of Anti Histamines that are on the market. Which one/ones are you talking about?
Yes, as long as you have no trouble with diphenhydramine on its own, you should be able to take them together. There are no known interactions.
How long does it take for a pelvic imflamatory disease to leave your body
Depending on the amount in question, approximately 24 hours in most cases.
I'm not a doctor, but signs and symptoms of an allergic reaction can carry on for 24 hrs or may even start then. anti-histamines act fast but then again it all depends on the allergen
It has a long half life so a good number of weeks before all traces leave the body
As long as you can hold it in.
Not sure
15 months
Ten weeks
Spider bites itch for a long time because the venom injected by the spider can cause an allergic reaction in the body, leading to inflammation and irritation of the skin. This can trigger the release of histamines, which are chemicals that cause itching and swelling.
16 years
two to three days.