Dilacor, sold generically as diltiazem, is a medication that is used to treat angina (chest pain) and hypertension (high blood pressure). It relaxes the blood vessels in your body and increases oxygen and blood flow to your heart, according to Drugs.com. When you take Dilacor, it is important to avoid alcohol and grape juice as these may negatively interact with the medication and contribute to potentially harmful side effects.
Severe Side Effects
Dilacor may cause severe side effects that necessitate immediate medical help. According to Drugs.com, these side effects include nausea, stomach pain, trouble breathing, fainting and headache. Users may also experience tachycardia (fast heartbeat), bradycardia (slow heartbeat), skin rash, dark urine and yellowing of the eyes and skin. Notify your doctor if you have these serious symptoms.
Common Side Effects
Common side effects of Dilacor include flushing, weakness, vomiting, diarrhea and nasal congestion, according to Medline Plus. You may also experience coughing, weakness and dizziness.
Overdose
In some instances, you may overdose on Dilacor and experience chest pain, weakness, bradycardia (slow heartbeat), trouble breathing or lightheadedness. You can also develop fainting spells. Get immediate medical help if you suffer from these symptoms.
Allergic Reaction
If you are allergic to Dilacor, you may experience the following symptoms: trouble breathing, red itchy bumps over your skin and swelling of the lips, face and throat. You should seek emergency assistance if you experience an allergic reaction to Dilacor.
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