It is not recommended to use it for more than 2 to 3 days without a doctors advice.
Long-term use of this medication may damage the blood vessels in the eyes. Call your doctor if your symptoms do not improve or if they get worse.
- Tetrahydrozoline Information for Consumers
- Tetrahydrozoline Information for Healthcare Professionals (includes dosage details)
- Side Effects of Tetrahydrozoline (detailed)
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