This can cause high levels of potassium in your blood. Do not use salt substitutes or potassium supplements while taking lisinopril, unless your doctor has told you to. Do not use salt substitutes or potassium supplements while taking lisinopril, unless your doctor has told you to. A study shows that melatonin supplements help high blood pressure patients who take beta-blockers to increase their amount of sleep. Related Questions I take Zoloft (sertraline) and clonazepam is it ok to take my atenolol and melatonin at night the Zoloft (sertraline) side interactions said no. Advise thanks? To test the theory that melatonin supplementation might help people on beta blockers sleep better, researchers randomly assigned 16 adults with hypertension taking one of the beta blockers metoprolol or atenolol to also take either 2.5 milligrams of melatonin or a placebo every night for three weeks. atenolol oral and melatonin oral atenolol oral decreases toxicity of melatonin oral by opposing drug effects. Melatonin may correct beta blocker induced sleep problems. Summary. Drug interactions are reported among people who take Atenolol and Melatonin together. This study is created by eHealthMe based on reports of 520 people who take Atenolol and Melatonin from FDA, and is updated regularly. If I take ativan in the afternoon, would the body make up for the melatonin loss so I can sleep, or do I need to take something else to sleep with. I tried taking about less than.25 mg melatonin after taking ativan in the afternoon. I woke up with bp 139/70? Then it dropped to 126/70. Now either I am suffering the jitters again. Is it the melatonin and atenolol interacting, and what do I do. Can I take Atenolol with Melatonin? There is no known interaction between Atenolol and Melatonin in our records. However, an interaction may still exist. - Page 2 Atenolol - helps with my BP and heart rate and adrenaline surges, but can cause nightmares tryptophan - helps with serotonin and melatonin and relaxation, but can cause nightmares. I take atenolol for bp. I have been told I can take melatonin with it. I have tried.5 mg of the tablet form. It immediately raised my bp to over 140/80.