Premoquin 645mg Injection should only be administered by a healthcare professional It is important to avoid selfadministration To reduce the risk of mosquito bites consider using insect repellent creams on exposed areas of your body and spraying mosquito repellent in rooms even if they are screened When outdoors after sunset wear lightcolored protective clothing Possible side effects of this medicine may include weakness vomiting rash and itching It may also cause stomach pain diarrhea loss of appetite and nausea Injection site reactions such as pain swelling or redness may also occur If these side effects persist for an extended period please consult your doctor Inform your doctor if you have diabetes as Premoquin can lower blood sugar levels Diabetic patients should regularly monitor their blood sugar This medicine may also cause blurred vision so it is recommended to have regular eye examinations while on treatment If you are using this medication longterm your doctor may monitor the levels of different types of blood cells regularly Please notify your doctor if you experience unexplained bruising or bleeding a sore throat fever or a general feeling of tiredness