Complete adverse effect profile including incidence rates and management
Important Safety Information
This is not a complete list of all possible side effects. Contact your healthcare provider if you experience any unexpected symptoms. For serious or life-threatening side effects, seek emergency medical attention immediately.
6 ADVERSE REACTIONS The following adverse reactions associated with the use of phenylephrine hydrochloride were identified in the literature.
Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to estimate their frequency reliably or to establish a causal relationship to drug exposure.
Cardiac disorders: Bradycardia, AV block, ventricular extrasystoles, myocardial ischemia Gastrointestinal disorders : Nausea, vomiting General disorders and administrative site conditions: Chest pain, extravasation Nervous system disorders : Headache, nervousness, paresthesia, tremor Psychiatric disorders: Excitability Respiratory : Pulmonary edema, rales Skin and subcutaneous tissue disorders: Diaphoresis, pallor, piloerection, skin blanching, skin necrosis with extravasation Vascular disorders: Hypertensive crisis Most common adverse reactions: nausea and vomiting, headache, nervousness ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact Dr.
Reddy’s Laboratories Inc., at 1-888-375-3784 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
5 WARNINGS AND PRECAUTIONS Severe bradycardia and decreased cardiac output ( 5.2 ) Extravasation : during intravenous administration may cause necrosis or sloughing of tissue ( 5.4 ) Concomitant use with oxytocic drugs : pressor effect of sympathomimetic pressor amines is potentiated ( 5.5 ) 5.1 Exacerbation of Angina, Heart Failure, or Pulmonary Arterial Hypertension Because of its pressor effects, phenylephrine hydrochloride can precipitate angina in patients with severe arteriosclerosis or history of angina, exacerbate underlying heart failure, and increase pulmonary arterial pressure.
5.2 Bradycardia Phenylephrine hydrochloride can cause severe bradycardia and decreased cardiac output.
5.3 Risk in Patients with Autonomic Dysfunction The pressor response to adrenergic drugs, including phenylephrine, can be increased in patients with autonomic dysfunction, as may occur with spinal cord injuries.
5.4 Skin and Subcutaneous Necrosis Extravasation of phenylephrine can cause necrosis or sloughing of tissue.
Avoid extravasation by checking infusion site for free flow.
Like all medications, Phenylephrine Hydrochloride Injection, Solution can cause side effects. However, not everyone who takes this medication will experience them. Many side effects are dose-dependent and may improve as your body adjusts to the medication. Others may require dose adjustment or medical attention.
Contact your healthcare provider promptly if you experience:
Seek immediate emergency medical care if you experience signs of: