What side effects may I notice from receiving Levsin SL?

Side effects that you should report to your doctor or health care professional as soon as possible:
-anxiety, nervousness
-confusion
-dizziness or fainting spells
-fast heartbeat
-fever
-pain or difficulty passing urine
-unusually weak or tired
-vomiting

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-altered taste
-constipation
-nausea

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