Lily-of-the-valley is a plant. The root, underground stem (rhizome), and dried flower tips are used to make medicine.
Lily-of-the-valley is used for heart problems including heart failure and irregular heartbeat. It is also used for urinary tract infections (UTIs), kidney stones, weak contractions in labor, epilepsy, fluid retention (edema), strokes and resulting paralysis, eye infections (conjunctivitis), and leprosy.
Store lily-of-the-valley in well-sealed containers and protect from light.
How it works
Lily-of-the-valley contains substances that have activity on the heart muscle. It can affect contractions, heart rate, and excitability.
Not ProvenIrregular heartbeatHeart failure and other heart problemsUrinary tract infections (UTIs)Kidney stonesWeak contractions in laborEpilepsyFluid retentionStrokesParalysisInfection of eye (conjunctivitis)LeprosyOther conditions
But, it is UNSAFE when used for self-medication. Since lily-of-the-valley can affect the heart and other systems, the dose must be carefully chosen and side effects checked by a healthcare professional. If you swallow lily-of-the-valley accidentally, get medical treatment right away. Lily-of-the-valley can cause side effects such as nausea, vomiting, abnormal heart rhythm, headache, decreased consciousness and responsiveness, and visual color disturbances.
Lily-of-the-valley might be safe for most people when used under proper medical supervision
Pregnancy and breast-feeding: Don't self-medicate with lily-of-the-valley if you arepregnant. It isUNSAFEto use unless you are under close medical supervision.Are there any interactions with medications?
Heart disease: Don't self-medicate with lily-of-the-valley if you have heart disease. It is UNSAFE to use unless you are under close medical supervision.
Low levels of potassium (potassium deficiency): Don't use lily-of-the valley if you are potassium deficient. Lily-of-the-valley contains chemicals called cardiac glycosides that can cause the body to lose potassium. This could make potassium deficiency worse. If your potassium level gets low enough, it can harm the heart.
Lily-of-the-valley can stimulate the heart. Calcium might also affect the heart. Taking lily-of-the-valley along with calcium might cause the heart to be too stimulated. Do not take lily-of-the-valley along with calcium supplements.Digoxin (Lanoxin)
Digoxin (Lanoxin) helps the heart beat more strongly. Lily-of-the-valley also seems to affect the heart. Taking lily-of-the-valley along with digoxin can increase the effects of digoxin and increase the risk of side effects. Do not take lily-of-the-valley if you are taking digoxin (Lanoxin) without talking to your healthcare professional.Quinine
Lily-of-the-valley might affect the heart. Some medications for inflammation can decrease potassium in the body. Low potassium levels can also affect the heart and increase the risk of side effects from lily-of-the-valley.Some medications for inflammation include dexamethasone (Decadron), hydrocortisone (Cortef), methylprednisolone (Medrol), prednisone (Deltasone), and others.Lily-of-the-valley can affect the heart. Quinine can also affect the heart. Taking quinine along with lily-of-the-valley might cause serious heart problems.
Lily-of-the-valley can affect the heart. Some antibiotics might increase how much lily-of-the-valley the body absorbs. Taking lily-of-the-valley along with some antibiotics might increase the effects and side effects of lily-of-the-valley.Some antibiotics called macrolide antibiotics include erythromycin, azithromycin, and clarithromycin.Taking some antibiotics called tetracycline antibiotics along with lily-of-the-valley might increase the chance of side effects from lily-of-the-valley.Some tetracycline antibiotics include demeclocycline (Declomycin), minocycline (Minocin), and tetracycline (Achromycin).Lily-of-the-valley might have an effect like a water pill or "diuretic." Taking lily-of-the-valley might decrease how well the body gets rid of lithium. This could increase how much lithium is in the body and result in serious side effects. Talk with your healthcare provider before using this product if you are taking lithium. Your lithium dose might need to be changed.Water pills (Diuretic drugs)
Lily-of-the-valley can affect the heart. The heart uses potassium. Laxatives called stimulant laxatives can decrease potassium levels in the body. Low potassium levels can increase the chance of side effects from lily-of-the-valley.Some stimulant laxatives include bisacodyl (Correctol, Dulcolax), cascara, castor oil (Purge), senna (Senokot), and others.Lily-of-the-valley might affect the heart. "Water pills" can decrease potassium in the body. Low potassium levels can also affect the heart and increase the risk of side effects from lily-of-the-valley.Some "water pills" that can deplete potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Microzide), and others.