Initial Medical Assistance

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In summer, a cramp or stiffness in muscles is produced itself that is very painful.
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If something gets into the eye, it stresses one severely and is very painful. Moreover, we often increase this pain due to our unawareness. 
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Canker sores are usually white surrounded by a red line. They mostly appear inside the cheeks, on or under the tongue, outside or inside the lips
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If blisters appear on the skin causing no severe pain, do not burst them because the water inside the blisters protects from bacteria