First of all, you should not give a guinea pig ANY MEDICINE unless you are a licensed guinea pig vet or a vet specialising in guinea pigs, and you shouldn't go to an online vet as these are not always correct, so if you think your guinea pig is sick take it to a VET
None. Grapes can give guinea pigs kidney problems and could kill them. Rarely guinea pigs like grapes and are fine. You can take your chance, but I'm not. Seedless grapes are best to feed them.
That wheezing noise could be a sign of a respiratory (breathing) infection, Which can become serious and if not treated fatal.
lazer eyes
neem
Not enough information given to answer. What kind of medicine? Was it prescription medicine? What kind of disease? Who administered it to him? Was it an emergency?
A neurologist can give medicine.
take it to the vet. could be a lot of things. the vet is the only one who will know.
Diconjesyion Medicean for dashound
medicine is a cure for when u are sick u go to the docter and they either give u a one of a kind of liquid of tablets.
Could be anything, give me a hint.
Medicine, pharmacy, nursing, biology, etc.
Ask the store where you bought the guinea pig.