Abstract
Summary
A single ip injection of 25, 50, or 100 μg of LSD (lysergic acid diethylamide)/100 g of body weight into female rats on the morning of proestrus significantly decreased serum prolactin levels, and prevented the normal rise observed in control rats on the afternoon of proestrus. The 100-μg dose of LSD produced a significantly greater decrease in serum prolactin than the 25-μg dose. This action of LSD is shared by other ergot drugs.
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