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Do H2 blockers have any side effects?

Donna Hill Howes, RN
Family Practitioner

Side effects of H2 blockers may include headache, dizziness, insomnia, and diarrhea.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.