There are some you should avoid like aspirin and ibuprofin. the best thing to do is go to Drugs .com and go to
yes
Yes
Taking reactine and Benadryl is really not a wise idea. Both of these medication are antihistamines and could make a person excessively drowsy. Both of them together could cause excessive drying of the sinuses.
yes
yes
Yes, you should continue to take methotrexate unless your doctor advises you to stop.
Yes, sometimes vets do give methotrexate, but it is in combination with other medications, and usually in extreme cases. If you have human methotrexate, do not attempt to dose it to your dog. This should only be done under vet care. Methotrexate is fatal if not given correctly.
Yes, you can. You will actually be more likely to get infections, and get them worse, when on methotrexate. At some point, you will likely need antibiotics.
Ask your doctor.
vitamin c
You can. There is no interaction between these drugs.
Reactine (also known as cetirizine) is an antihistamine used to treat allergies, while Celebrex (celecoxib) is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain and inflammation. It is generally safe to take these medications together, as they work through different mechanisms in the body. However, it is always recommended to consult with a healthcare provider or pharmacist before combining medications to ensure there are no potential interactions or contraindications based on individual health conditions or other medications being taken.