Ganphen Inj
This drug may infrequently cause a very serious (rarely fatal) nervous system disorder (neuroleptic malignant syndrome). If you notice any of the following unlikely but very serious side effects, seek immediate medical attention:
- severe muscle stiffness
- mental/mood changes (e.g., confusion, extreme drowsiness)
- high fever
- seizures
- irregular/fast heartbeat
- increased sweating
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- rash
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Ganphen Inj Precautions
See also Warning section.
Before using promethazine, tell your doctor or pharmacist if you are allergic to it; or to any other phenothiazines (e.g., prochlorperazine), or to sulfites (e.g., metabisulfite); or if you have any other allergies.
This medication should not be given to a patient who is in a coma.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:
- certain lung/breathing problems (e.g., asthma, chronic obstructive pulmonary disease-COPD, sleep apnea)
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
- blood/immune system problems (e.g., bone marrow depression)
- a certain eye problem (narrow-angle glaucoma)
- heart disease (e.g., angina, irregular heartbeat)
- high or low blood pressure
- liver disease
- certain nervous system problem (neuroleptic malignant syndrome)
- Reye's syndrome
- seizure
- stomach/bowel problems (e.g., blockage, ulcer disease)
- sun sensitivity when using other medications
- urination problems (e.g., due to enlarged prostate, blockage)
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