Additionally, vitamins and minerals work synergistically with one another when obtained from their natural food sources. The Tolerable Upper Intake Level Us is defined as the highest level of daily intake that is likely to pose no adverse health effects in most human individuals. See below for a table outlining the Uls for zinc. All visitors are required to show proof of a full COVID vaccination or a negative PCR test with a specimen date within 72 hours of patient visitation.
Learn more. Skip to content. Excessive zinc supplementation can be dangerous to your health. A lozenge or syrup taken at the onset of a cold at the recommended dose for a week or two is safe. Steer clear of zinc supplements that exceed the tolerable upper limit see table below.
Our website uses cookies This website uses cookies to give you the very best experience. The most common cause of zinc excess is taking too many zinc supplements. It is important not to take more than the advised dose. Other causes are less common. If your kidneys are not working well for example, if you have acute kidney injury they do not get rid of excess zinc for you. In this case it can accumulate.
Acute kidney injury does not mean you have had a physical trauma to your kidney; it is a sudden loss of kidney function, usually due to an illness such as a severe infection. If you have an uncommon condition called haemochromatosis, you are more likely to get zinc overload. This is because you have high levels of iron, which can affect the way that zinc is absorbed and used. Certain industrial compounds have high levels of zinc, and it is occasionally possible to get zinc poisoning through exposure to these substances.
These include some pesticides and some components used in paints, dyes and rubber. Symptoms of zinc deficiency depend on how deficient you are. Symptoms may be mild if the zinc level is just a little low, but can be very severe if there is severe deficiency.
Symptoms can include:. Find a range of services to suit you, from medication through to managed programs. Too much zinc can also affect the levels in your body of other elements, such as iron, copper, magnesium or calcium.
There can then be a knock-on effect of lack of these elements - for example, anaemia from a lack of iron. Excess zinc can also affect the function of your heart and may possibly put you at risk of angina and heart attacks.
A condition called metal fume fever can occur if zinc-containing fumes have been breathed in - for example, during welding or galvanising processes. This causes symptoms such as:. There are various forms of zinc supplements, containing different doses and forms of zinc. These vary but some zinc supplements can have side-effects for some people. Many people have no side-effects. Read the information leaflet which comes with the packet. Possible side-effects can include:.
Never take more than the recommended amount, due to the risks of excess zinc, as described above. The ULs do not change during pregnancy and breastfeeding, so women should continue to refer to the UL applicable to their age.
For instance, a drug called amiloride Midamor blocks the removal of zinc from the body, which can cause zinc to accumulate to dangerous levels. People taking this drug should avoid using zinc supplements or any other supplements that contain zinc unless a doctor advises otherwise. A person taking any of the following drugs should speak with their doctor about whether they need to take additional zinc:.
A person should take the following drugs or supplements at least 2 hours apart from a zinc supplement:. People taking fluoroquinolone antibiotics , such as ciprofloxacin Cipro , or tetracycline antibiotics, such as doxycycline Vibramycin , should take the antibiotic either 2 hours before taking zinc or 4—6 hours afterward.
It is important to speak with a doctor before taking a zinc supplement, particularly when using one or more medications that interact with zinc. If a person suspects a zinc overdose, they can contact their local poison control center for advice. In the United States, the number for Poison Control is Unless a poison control representative or a healthcare professional provides alternative advice, the person should drink a glass of milk.
The calcium and phosphorus in the milk can help bind the excess zinc and prevent the stomach and intestines from absorbing it. Chelation is a process that removes excess metals, such as zinc, copper, or lead, from the body. During this treatment, a doctor gives the person a drug that helps bind the excess zinc and remove it from the body through the urine. This removal prevents the body from absorbing zinc or other metals, which could cause further damage. If the overexposure was due to taking multiple nutritional or vitamin supplements, it is important to meet with a doctor or healthcare professional to discuss a new supplement or medication regimen.
A metalworker whose job exposed them to too much zinc should meet with their employer to discuss safety precautions and ways to minimize exposure, as well as a possible role reassignment. Anyone who is experiencing any of these symptoms or suspects that their job has exposed them to too much zinc should seek emergency care or call a poison control center right away.
It is also important to discuss any nutritional or vitamin supplements with a doctor before starting to take them. There is a problem with information submitted for this request. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health.
Error Email field is required. Error Include a valid email address. To provide you with the most relevant and helpful information and to understand which information is beneficial, we may combine your e-mail and website usage information with other information we have about you. If we combine this information with your PHI, we will treat all of that information as PHI, and will only use or disclose that information as set forth in our notice of privacy practices.
You may opt-out of e-mail communications at any time by clicking on the Unsubscribe link in the e-mail. Our Housecall e-newsletter will keep you up-to-date on the latest health information. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission.
0コメント