Assessment
Assessment seeks to understand an individual by integrating information from multiple sources such as clinical interviews; medical exams and physiological measures; standardized psychometric tests and questionnaires; structured diagnostic interviews; review of records; and collateral interviews. Interviews
Psychologists, psychiatrists, and other mental health professionals conduct clinical interviews to ascertain the nature of a patient or clients difficulties, including any signs or symptoms of illness the person might exhibit. Clinical interviews are "unstructured" in the sense that each clinician develops a particular approach to asking questions, without necessarily following a predefined format. Structured (or semi-structured) interviews prescribe the questions, their order of presentation, "probes" (queries) if a patients response is not clear or specific enough, and a method to rate the frequency and intensity of symptoms. Standardized psychometric measures
Beck Scale for Suicide Ideation
Nurses Global Assessment of Suicide Risk
Suicidal Affect–Behavior–Cognition Scale (SABCS)
Columbia Suicide Severity Rating Scale

Treatment
Treatment of suicidal ideation can be problematic due to the fact that several medications have actually been linked to increasing or causing suicidal ideation in patients. Therefore, several alternative means of treating suicidal ideation are often used. The main treatments include: therapy, hospitalization, outpatient treatment, and medication or other modalities. Therapy
In psychotherapy a person explores the issues that make them feel suicidal and learns skills to help manage emotions more effectively. Hospitalization
Hospitalization allows the patient to be in a secure, supervised environment to prevent the suicidal ideation from turning into suicide attempts. In most cases, individuals have the freedom to choose which treatment they see fit for themselves.
Metronidazole, sold under the brand name Flagyl among others, is an antibiotic and antiprotozoal medication. It is used either alone or with other antibiotics to treat pelvic inflammatory disease, endocarditis, and bacterial vaginosis. It is effective for dracunculiasis, giardiasis, trichomoniasis, and amebiasis. It is an option for a first episode of mild-to-moderate Clostridium difficile colitis if vancomycin or fidaxomicin is unavailable. Metronidazole is available by mouth, as a cream, and by injection into a vein.Common side effects include nausea, a metallic taste, loss of appetite, and headaches. Occasionally seizures or allergies to the medication may occur. Some state that metronidazole should not be used in early pregnancy, while others state doses for trichomoniasis are safe. Metronidazole is generally considered compatible with breastfeeding.Metronidazole began to be commercially used in 1960 in France. It is on the World Health Organizations List of Essential Medicines. It is available in most areas of the world. In 2019, it was the 138th most commonly prescribed medication in the United States, with more than 4 million prescriptions. Medical uses
Metronidazole is primarily used to treat: bacterial vaginosis, pelvic inflammatory disease (along with other antibacterials like ceftriaxone), pseudomembranous colitis, aspiration pneumonia, rosacea (topical), fungating wounds (topical), intra-abdominal infections, lung abscess, periodontitis, amoebiasis, oral infections, giardiasis, trichomoniasis, and infections caused by susceptible anaerobic organisms such as Bacteroides, Fusobacterium, Clostridium, Peptostreptococcus, and Prevotella species.