It is difficult to be sure about your 3 year old son's diagnosis. There are several possible causes for this condition ranging from an allergic reaction to a sinus infection or kidney disease.If his eyes are still swollen tomorrow and if he has a fever he should be seen by his paediatrician. In fact if he has a high fever tonight he should be seen at an emergency paediatric unit.
Your older son's swelling may have several causes. He may have a swollen and infected lymph node in his groin, he may have torn a muscle in his groin or it may be a hernia which has become strangulated. It is essential for him to be seen by a doctor.
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