|An allergy means your body sees the medicine as harmful. It rejects the drug with an allergic reaction. This may be mild or strong. It can happen a few hours after you take the drug or not until 2 weeks later.
Mild allergy symptoms are:
Severe allergy warning signs can include:
Whole-body shock with life-threatening low blood pressure
|Side effects from drugs can seem like an allergic reaction, but it’s just your body feeling sensitive to a new medication. It shouldn’t be dangerous, although you may feel sick for a while.
If you take several drugs for different reasons, you may be more likely to have side effects.
You might or might not have problems with a new drug, but the most common ones include:
Ringing in the ears
Lack of energy
Hard to sleep