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What Happens If You Take Too Much Claritin (Loratadine)?

Claritin (loratadine) can be a helpful friend during allergy season, but like any medication, taking too much can cause problems.

Possible effects of taking too much Claritin may include:

  • Fatigue

  • Headache

  • Racing heartbeat

  • Nervousness

If you ever think you’ve taken more loratadine than you should, or suspect someone else has, call the Poison Help line immediately at 1‑800‑222‑1222. Specialists are available 24/7, 365 days a year, and the call is always free and confidential.

💊 Want to learn more about Claritin, its effects, and possible overuse symptoms? Check out our detailed Loratadine blog here!

Transcript with visual descriptions

Visual: Thumbnail with an image of white pills and the title “What happens if i take too much Loratadine?”. The Missouri Poison Center logo is visible.

Sound: Upbeat instrumental music begins.

Visual: Person 1 is sitting at a desk, wearing a white patterned short-sleeved shirt, pouring small white pills from a bottle onto the desk.

Person 1: ♪ Loratadine is a friend of mine ♪

Person 1: ♪ But you don’t wanna take too much ♪

Person 1: ♪ Overdose and side effects and such ♪

Visual: An animated blue pill with a smiling face appears on the desk, surrounded by real pills.

Person 1: ♪ It’s an anti-histamine that’s over the counter ♪

Person 1: ♪ But if you’re allergic to the thing that helps you ♪

Person 1: ♪ With the allergies ♪

Person 1: ♪ Don’t take it ♪

Visual: Person 1 dramatically falls forward onto the desk, appearing unconscious, surrounded by pills.

Visual: Person 2, wearing a blue t-shirt with “#Poison Prevention” in yellow, enters a room holding a phone.

Person 2: Dude, what even is happening in here?

Visual: Close-up of Person 1 passed out on the desk, with an animated blue pill with sad eyes near his head.

Person 2: Yeah, whoa!

Sound: Animated blue pill makes some noises to Person 2.

Person 2: What’s that? He took too many of you.

Person 2: Did he experience fatigue, headache, racing heartbeat, nervousness?

Visual: The animated blue pill gets angry.

Person 2: Right, totally passed out on the desk. Uh, I’m gonna call the Poison Center.

Visual: A blue graphic overlay appears: “If you think you’ve overdosed on something like Loratadine, call the Poison Help line right away!” and “1-800-222-1222”.

AVO: If you think you’ve overdosed on something like Loratadine, call the Poison Help line right away!

Person 1: I don’t feel so good.

AVO: Someone will be there to help you, 24/7, 365.

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