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Levitra can prove to be harmful if used in tandem with certain other drugs. Avoid using Levitra if you also happen to be using a nitrate drug to alleviate chest and heart problems. Make sure to inform your doctor about the following drugs if you are to take Levitra:

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Have heart problems such as angina, heart failure, irregular heartbeats, or have had a heart attack. Ask your doctor if it is safe for you to have sexual activity.

tentex royal price Administration of Viagra with nitric oxide donors such as organic nitrates or organic nitrites in any form is contraindicated. Consistent with its known effects on the nitric oxide/cGMP pathway, Viagra was shown to potentiate the hypotensive effects of nitrates [see Dosage and Administration (2.3), Contraindications (4.1), Clinical Pharmacology (12.2)].

They consider that this has led to a reductive, mechanistic perception of how female sexuality works in relation to male sexuality. They argue that women's sexual problems are less physiological and genital-focused than men's, that "women generally do not separate 'desire' from 'arousal,' women care less about physical than subjective arousal, and women's sexual complaints frequently focus on 'difficulties' that are absent from the DSM."