What side effects may I notice from receiving Nitrostat?

Side effects that you should report to your doctor or health care professional as soon as possible:
-blurred vision
-dry mouth
-skin rash
-sweating
-the feeling of extreme pressure in the head
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-flushing of the face or neck
-headache
-irregular heartbeat, palpitations
-nausea, vomiting

This list may not describe all possible side effects for Nitrostat. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.