Allergy to drugs

Some people have an allergy to drugs. The allergic reactions start within hours after they consume the drugs. Certain areas in our body become red. There will be swelling also. The swelling occurs in the nose, lips, hands, etc. The drug intake may cause a sense of vomiting, or may cause pain in the stomach. Running nose, coughing is also caused by drug allergy. If we find any one of these symptoms after consuming a drug it is better to refer a doctor immediately. Otherwise it may cause serious problems. Some drug allergy if not treated may result in death. So it is necessary to be alert while taking a drug.