Call your local doctor at once if, after you order Lexapro online, your condition worsens, or you begin to suffer these side effects from generic lexapro medication including; allergic reactions, hives, skin rash, swelling around the face, throat, or tongue, or your muscles stiffen, your mood changes and you begin to suffer anxiety and panic attacks, trouble sleeping, irritable, agitated or hostile, or you have thoughts of hurting yourself, coupled with nausea, vomiting, sweating, high fever, loss of coordination or blurred vision, headache, weakness and confusion. Some side effects are similar but not as bad, signalling the need for your local doctor to adjust your medicine regimen. Talk with your local doctor at the first sign of drowsiness, dizziness, insomnia, mild nausea, weight change, decreased sex drive, gas, constipation, upset stomach, dry mouth, yawning, and ringing in the ears.