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PGx Testing
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CMO
Published 17/02/2026
Many people prescribed haloperidol are also taking an antidepressant, often an SSRI such as citalopram or sertraline. This combination is common in real clinical practice, but it also raises understandable questions about safety, side effects, and whether the medicines are working together or against each other.
Published 16/02/2026
If you have been prescribed haloperidol and feel that it is not working, you are not alone. This is one of the most common concerns people raise after starting or adjusting an antipsychotic, and it does not automatically mean the medication has failed.
Published 13/02/2026
Being told you have “high cholesterol” can feel unsettling, particularly if medication is mentioned early in the conversation. But cholesterol itself is not a disease, and rising cholesterol does not mean damage has already occurred. To understand why statins help some people easily while others struggle with side effects, it helps to start with the basics and then look at what cholesterol tests alone cannot explain.
Published 10/02/2026
If you’ve searched for sertraline and methylphenidate, you’re probably trying to make sense of how two very different medicines are meant to work together, and whether how you’re feeling is normal.
Quetiapine can be a very helpful medicine for some people, but it’s also a medication that raises a lot of questions, particularly when it’s used for sleep or anxiety. This guide explains what quetiapine is used for, how it works, why some people find it very sedating, and what to watch out for if you’ve been prescribed lower doses such as quetiapine 25mg or quetiapine 50mg.
Published 02/02/2026
If you’re deciding between escitalopram and citalopram, you’re not alone. These are two of the most commonly prescribed SSRIs (selective serotonin reuptake inhibitors) in the UK, particularly for anxiety and depression. They’re closely related medications, and they’re often discussed as if they’re almost interchangeable. In fact, both are influenced by a key drug-metabolising enzyme pathway called CYP2C19, which helps your body process and clear certain SSRIs.
Published 10/09/2025
Pharmacogenetic testing—often shortened to PGx testing—is a type of DNA test that shows how your body processes medicines. Instead of relying on trial and error, PGx can help your doctor choose the right medication and dose from the start. Whether you’re considering antidepressants, pain medication, or heart drugs, PGx testing at home in the UK makes personalised prescribing more accessible than ever.
Pharmacogenetic testing—also known as PGx testing—can reveal why some medicines work well for one person but not for another. If you’ve ever wondered why antidepressants, painkillers, or heart medicines affect people so differently, PGx offers the answer.
Pharmacogenetic testing—often called PGx testing—is quick, simple, and painless. Many patients in the UK are now exploring DNA cheek swab tests for medicines, including antidepressants, ADHD treatments, painkillers, and heart medications. If you’ve wondered what actually happens when you order a test, here’s what to expect.
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