Difficulty breathing<span>. </span>Muscle twitching<span> or thrashing. Unusual</span>head<span>, </span>neck<span> and </span>eye<span> movements. Drooling. </span>Sweating<span>. </span>Nausea<span> and </span>vomiting. High blood pressure (hypertension<span>)</span>
The gradual decline in men's testosterone levels in middle age can reduce their sex drive