You might be suffering from some adverse reactions to the medications you took for your UTI. Numbness, pain in legs and feet, body shaking, weakness, difficulty bending your head, acidity, and headache can be the side effects of the medicines. In cases like this, the medicines might not be suitable for your body. Make sure to tell your doctor about these symptoms for him to give you the right advice.

When symptoms disappear, it indicates that the treatment is working. For nerve problems, the patient should gradually change medication. The body needs time, usually a few months, to adjust to a new dose before considering reducing it. If you rush this process, symptoms may return.

A stroke is a serious disorder occurring when the brain's blood supply is insufficient because of either a blockage or a rupture. There are several symptoms, some of the most known and widespread of which are muscle weakness on one side of the body, difficulty with speech, and appearing to be very confused. Rapid medical intervention is mandatory to prevent further progressive destruction. Doctors should administer medications or therapies to enhance the patient's healing process. 

Getting tap wate­r in your nose won't give you brain-eating amoe­ba. When water ente­rs through nostrils, it brings sensation of mental clarity due to te­mperature differe­nce. However, that amoe­ba is very uncommon, causing severe­ signs like intense he­adaches, fever, and disorie­ntation. Avoid letting water ente­r the nose, especially in warm fre­shwater regions. But fee­ling refreshed afte­r accidental nasal water entry doe­sn't indicate the presence­ of that frightening amoeba.

The symptoms you mentioned may point to different causes like problems in the inner ear or variations in blood pressure. Since the last attack was a couple of months ago, it’s good that things have gotten better. Nonetheless, if they return or become worse than before, don’t hesitate to see your doctor immediately. Keep noting down how you feel and when it happens. Sharing this information with the doctor will assist in diagnosing what might be happening and devising an appropriate intervention plan.