You need to be aware of the side effects associated with this drug before you buy Betamethasone.

Seek emergency medical intervention should you notice any symptoms of allergic reaction. These could include hives; swelling of the throat, lips, face and tongue; difficulty in breathing etc. and others.

Other side effects include problems with vision; rapid weight gain, swelling, feeling shortage of breath; unusual behavior or thoughts or behavior, severe depression, seizure (convulsions); coughing up blood, passing tarry or bloody stools; pancreatitis i.e. severe pain in the upper stomach region which spreads to the  back, vomiting and nausea; low levels of potassium i.e. uneven heart rate, confusion, extreme thirst, leg discomfort, increased urination, limp feeling or  muscle weakness; dangerous high blood pressure that causes blurred vision,  severe headache, buzzing inside your ears, confusion, anxiety, chest pain, uneven heartbeats, shortness of breath, and seizure.

Common or less serious side effects include sleep problems i.e. insomnia, mood changes; dry skin, acne, thinning skin, discoloration or bruising; slow healing of wounds; dizziness, headache, spinning sensation; stomach pain, nausea, bloating; and increased sweating.